BORAGE FAMILY 121 



1. Stems 1-3 in. high; leaves ovate to lanceolate, 



3-6 mm. long E. argenteum 



2. Stems 3-4 in. high; leaves linear, 10-15 mm. long E. Howdrdii 



HELIOTROPIUM Linne 1753 HELIOTROPE 

 (Gr. helios, sun, tropos, turn) 



Sepals 5, united, petals 5, blue or white, united into a salver- or fun- 

 nelform corolla, stamens 5, included, ovary entire or 2-4-grooved, style 

 terminal, short or slender, fruit 2-4-lobed, separating into 4 1-seeded 

 nutlets or 2 2-seeded carpels; flowers small, in one sided spikes or scat- 

 tered; leaves alternate, mostly entire and stalked; annual. 



1. Flowers solitary, white, 1.5-2 cm. long; leaves 



ovate to lanceolate, hairy H. convolvuldceum 



2. Flowers in 1 -sided spikes, white with yellow eye, 



3-5 mm. long ; leaves linear to spatulate H. curassavicum 



KRYNITZKIA Fischer & Meyer 1841 



(Named for Krynitzki, a Russian botanist) 



(Allocarya, Cryptanthe, Oreocarya) 



PI. 20, fig. 11-14; PI. 21, fig. 2. 



Sepals 5, united, petals 5, white, united into a salverform corolla, 

 stamens 5, included, ovary 4-divided, style short, fruit of 4 nutlets ; flow- 

 ers in terminal spikes or racemes ; leaves linear, entire, the lowest often 

 opposite ; annual or perennial. 



1. Leaves alternate 



a. Calyx open in fruit ; calyx and pedicel persist- 

 ent 



( 1 ) Fruit globose to ovoid K. Jdmesii 



(2) Fruit oblong-pyramidal 



(a) Corolla tube longer than calyx, and 



twice longer than corolla lobes ; calyx 



with yellowish hairs and bristles 



x. Corolla white K. fulvocanescens 



y. Corolla yellow or yellowish K. leucophdea 



(b) Corolla tube not longer than calyx, and 



hardly longer than corolla lobes 

 x. Leaves of the flower cluster several 

 times longer than the short flower 

 branches; stems strict; flower cluster 

 oblong K. virgata 



